<template>
    <view class="preview" v-if="currentInfo">
        <swiper circular :current="currentIndex" @change="swiperChange">
            <swiper-item v-for="(item,index) in classList" :key="item._id">
                <image v-if="readImgs.includes(index)" @click="maskChange" :src="item.picurl" mode="aspectFill"></image>
            </swiper-item>
        </swiper>

        <!-- 遮罩层 -->
        <view class="mask" v-if="maskState">
            <view class="goBack" @click="goBack" :style="{top: getStatusBarHeight() + 'px'}">
                <uni-icons type="arrow-left" size="20" color="#fff"></uni-icons>
            </view>
            <view class="count">{{currentIndex + 1}} / {{classList.length}}</view>
            <view class="time">
                <uni-dateformat :date="new Date()" format="hh:mm"></uni-dateformat>
            </view>
            <view class="date">
                <uni-dateformat :date="new Date()" format="MM月dd日"></uni-dateformat>
            </view>
            <view class="footer">
                <view class="box" @click="clickInfo">
                    <uni-icons type="info" size="28"></uni-icons>
                    <view class="text">信息</view>
                </view>
                <view class="box" @click="clickScore">
                    <uni-icons type="star" size="28"></uni-icons>
                    <view class="text">{{currentInfo.score}}分</view>
                </view>
                <view class="box" @click="clickDownload">
                    <uni-icons type="download" size="23"></uni-icons>
                    <view class="text">下载</view>
                </view>
            </view>
        </view>

        <!-- 信息弹窗 -->
        <uni-popup ref="infoPopup" type="bottom">
            <view class="infoPopup">
                <view class="popHeader">
                    <view></view>
                    <view class="title">壁纸信息</view>
                    <view class="close" @click="clickInfoClose">
                        <uni-icons type="closeempty" size="18" color="#999"></uni-icons>
                    </view>
                </view>
                <scroll-view scroll-y>
                    <view class="content">
                        <view class="row">
                            <view class="label">壁纸ID：</view>
                            <text class="value" selectable="true">{{currentInfo._id}}</text>
                        </view>
                        <!-- <view class="row">
                            <view class="label">分类：</view>
                            <text class="value class" selectable="true">明星美女</text>
                        </view> -->
                        <view class="row">
                            <view class="label">发布者：</view>
                            <text class="value" selectable="true">{{currentInfo.nickname}}</text>
                        </view>
                        <view class="row">
                            <text class="label">评分：</text>
                            <view class="value roteBox">
                                <uni-rate readonly touchable :value="currentInfo.score" size="16" />
                                <text class="score">{{currentInfo.score}}</text>
                            </view>
                        </view>
                        <view class="row">
                            <text class="label">摘要：</text>
                            <view class="value">{{currentInfo.description}}</view>
                        </view>
                        <view class="row">
                            <text class="label">标签：</text>
                            <view class="value tabs">
                                <view class="tab" v-for="tab in currentInfo.tabs" :key="tab">
                                    {{tab}}
                                </view>
                            </view>
                        </view>

                        <view class="copyright">
                            声明：本图片来用户投稿，非商业使用，用于免费学习交流，
                            如侵犯了您的权益。您可以拷贝壁纸ID举报至平台，
                            邮箱513894357@qq.com，管理将删除侵权壁纸，维护您的权益。
                        </view>

                        <view class="safe-area-inset-bottom"></view>
                    </view>
                </scroll-view>
            </view>
        </uni-popup>

        <!-- 评分弹窗 -->
        <uni-popup ref="scorePopup" :is-mask-click="false">
            <view class="scorePopup">
                <view class="popHeader">
                    <view></view>
                    <view class="title">{{isScore ? '评分过了~':'壁纸评分'}}</view>
                    <view class="close" @click="clickScoreClose">
                        <uni-icons type="closeempty" size="18" color="#999"></uni-icons>
                    </view>
                </view>

                <view class="content">
                    <uni-rate v-model="userScore" allowHalf :disabled="isScore" disabled-color="#FFCA3E" />
                    <text class="text">{{userScore}}分</text>
                </view>

                <view class="footer">
                    <button @click="submitScore" :disabled="!userScore || isScore" type="default" size="mini"
                        plain="">确认评分</button>
                </view>
            </view>
        </uni-popup>
    </view>
</template>

<script setup>
    import {
        ref
    } from 'vue';
    import {
        onLoad,
        onShareAppMessage,
        onShareTimeline
    } from "@dcloudio/uni-app";
    import {
        getStatusBarHeight
    } from '@/utils/system.js';
    import {
        apiGetSetupScore,
        apiWriteDownload,
        apiDetailWall
    } from "@/api/apis.js";
    const maskState = ref(true);
    const infoPopup = ref(null);
    const scorePopup = ref(null);
    const userScore = ref(0);
    const classList = ref([]);
    const currentId = ref(null);
    const currentIndex = ref(0);
    const currentInfo = ref(null);
    const isScore = ref(false);
    const readImgs = ref([]);

    //获取图片缓存数据
    const storageClassList = uni.getStorageSync("storageClassList") || [];
    classList.value = storageClassList.map(item => {
        return {
            ...item,
            picurl: item.smallPicurl.replace("_small.webp", ".jpg")
        }
    })

    onLoad(async (e) => {
        currentId.value = e.id;
        if (e.type == 'share') {
            let res = await apiDetailWall({
                id: currentId.value
            });
            classList.value = res.data.map(item => {
                return {
                    ...item,
                    picurl: item.smallPicurl.replace("_small.webp", ".jpg")
                }
            })
        }
        currentIndex.value = classList.value.findIndex(item => {
            return item._id == currentId.value;
        })
        currentInfo.value = classList.value[currentIndex.value];
        readImagsFun();
    })

    const swiperChange = (e) => {
        currentIndex.value = e.detail.current;
        currentInfo.value = classList.value[currentIndex.value];
        readImagsFun();
    }

    console.log(classList.value);

    //点击info弹窗
    const clickInfo = () => {
        infoPopup.value.open();
    }

    //点击关闭弹窗
    const clickInfoClose = () => {
        infoPopup.value.close();
    }

    //评分弹窗
    const clickScore = () => {
        if (currentInfo.value.userScore) {
            isScore.value = true;
            userScore.value = currentInfo.value.userScore;
        }
        scorePopup.value.open();
    }
    // 关闭评分框
    const clickScoreClose = () => {
        scorePopup.value.close();
        userScore.value = 0;
        isScore.value = false;
    }

    //确认评分
    const submitScore = async () => {
        uni.showLoading({
            title: "加载中..."
        })
        let {
            classid,
            _id: wallId
        } = currentInfo.value;

        let res = await apiGetSetupScore({
            classid,
            wallId,
            userScore: userScore.value
        })
        uni.hideLoading();
        if (res.errCode === 0) {
            uni.showToast({
                title: "评分成功",
                icon: "none"
            })
            classList.value[currentIndex.value].userScore = userScore.value;
            uni.setStorageSync("storageClassList", classList.value);
            clickScoreClose();
        }
        console.log(res);
    }

    //遮罩状态
    const maskChange = () => {
        maskState.value = !maskState.value
    }

    //返回上一页
    const goBack = () => {
        uni.navigateBack({
            success: () => {

            },
            fail: (err) => {
                uni.reLaunch({
                    url: "/pages/index/index"
                })
            }
        })
    }

    //点击下载
    const clickDownload = async () => {
        // #ifdef H5
        uni.showModal({
            content: "请长按保存壁纸",
            showCancel: false
        })
        // #endif

        // #ifndef H5
        try {
            uni.showLoading({
                title: "下载中...",
                mask: true
            })
            let {
                classid,
                _id: wallId
            } = currentInfo.value;
            let res = await apiWriteDownload({
                classid,
                wallId
            })
            if (res.errCode != 0) throw res;

            uni.getImageInfo({
                src: currentInfo.value.picurl,
                success: (res) => {
                    uni.saveImageToPhotosAlbum({
                        filePath: res.path,
                        success: (res) => {
                            console.log(res)
                        },
                        fail: err => {
                            if (err.errMsg == 'saveImageToPhotosAlbum:fail cancel') {
                                uni.showToast({
                                    title: "保存失败，请重新点击下载",
                                    icon: "none"
                                })
                                return;
                            };

                            uni.showModal({
                                title: "授权提示",
                                content: "需要授权保存相册",
                                success: res => {
                                    if (res.confirm) {
                                        uni.openSetting({
                                            success: (setting) => {
                                                if (setting
                                                    .authSetting[
                                                        'scope.writePhonesAlbum'
                                                    ]) {
                                                    uni.showToast({
                                                        title: "获取授权成功",
                                                        icon: "none"
                                                    })
                                                } else {
                                                    uni.showToast({
                                                        title: "获取授权失败",
                                                        icon: "none"
                                                    })
                                                }
                                            }
                                        })
                                    }
                                }
                            })
                        },
                        complete: () => {
                            uni.hideLoading();
                        }
                    })
                }
            })

        } catch (err) {
            console.log(err);
            uni.hideLoading();
        }

        // #endif
    }

    //分享给好友
    onShareAppMessage((e) => {
        return {
            title: "原野壁纸",
            path: "/page/perview/perview?id=" + currentId.value + "&type=share"
        }
    });

    //分享朋友圈
    onShareTimeline((e) => {
        return {
            title: "原野壁纸",
            query: "id=" + currentId.value + "&type=share"
        }
    })


    function readImagsFun() {
        readImgs.value.push(
            currentIndex.value <= 0 ? classList.value.length - 1 : currentIndex.value - 1,
            currentIndex.value,
            currentIndex.value >= classList.value.length - 1 ? 0 : currentIndex.value + 1
        );
        readImgs.value = [...new Set(readImgs.value)];
    }
</script>

<style lang="scss" scoped>
    .preview {
        width: 100%;
        height: 100vh;
        position: relative;

        swiper {
            width: 100%;
            height: 100%;

            image {
                width: 100%;
                height: 100%;
            }
        }

        .mask {
            &>view {
                position: absolute;
                right: 0;
                left: 0;
                margin: auto;
                color: #fff;
                width: fit-content;
            }

            .goBack {
                width: 38px;
                height: 38px;
                background: rgba(0, 0, 0, 0.5);
                left: 30rpx;
                margin-left: 0;
                border-radius: 100px;
                top: 0;
                backdrop-filter: blur(10rpx);
                border: 1rpx solid rgba(255, 255, 255, 0.3);
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .count {
                top: 10vh;
                background: rgba(0, 0, 0, 0.3);
                font-size: 28rpx;
                border-radius: 40rpx;
                padding: 8rpx 28rpx;
                backdrop-filter: blur(10rpx);
            }

            .time {
                font-size: 140rpx;
                top: calc(10vh + 80rpx);
                font-weight: 100;
                line-height: 1em;
                text-shadow: 0 4rpx rgba(0, 0, 0, 0.3);
            }

            .date {
                font-size: 34rpx;
                top: calc(10vh + 230rpx);
                text-shadow: 0 2rpx rgba(0, 0, 0, 0.3);
            }

            .footer {
                background: rgba(255, 255, 255, 0.8);
                bottom: 10vh;
                width: 65vw;
                height: 120rpx;
                border-radius: 120rpx;
                color: #000;
                display: flex;
                justify-content: space-between;
                align-items: center;
                box-shadow: 0 2rpx 0 rgba(0, 0, 0, 0.1);
                backdrop-filter: blur(20rpx);
                padding: 0 30rpx;

                .box {
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    justify-content: center;
                    padding: 2rpx 12rpx;

                    .text {
                        font-size: 26rpx;
                        color: $text-font-color-2;
                    }
                }
            }
        }

        .popHeader {
            display: flex;
            justify-content: space-between;
            align-items: center;

            .text {
                color: $text-font-color-2;
                font-size: 26rpx;
            }

            .close {
                padding: 6rpx;
            }
        }

        .infoPopup {
            background: #fff;
            padding: 30rpx;
            border-radius: 30rpx 30rpx 0 0;
            overflow: hidden;

            scroll-view {
                max-height: 60vh;

                .content {
                    .row {
                        display: flex;
                        padding: 16rpx 0;
                        font-size: 32rpx;
                        line-height: 1.7em;

                        .label {
                            color: $text-font-color-3;
                            width: 140rpx;
                            text-align: right;
                            font-size: 30rpx;
                        }

                        .value {
                            flex: 1;
                            width: 0;
                        }

                        .roteBox {
                            display: flex;
                            align-items: center;

                            .score {
                                font-size: 16rpx;
                                color: $text-font-color-2;
                                padding-left: 10rpx;
                            }
                        }

                        .tabs {
                            display: flex;
                            flex-wrap: wrap;

                            .tab {
                                border: 1px solid $brand-theme-color;
                                color: $brand-theme-color;
                                font-size: 22rpx;
                                padding: 10rpx 30rpx;
                                border-radius: 40rpx;
                                line-height: 1em;
                                margin: 1 10rpx 10rpx 0;
                                display: flex;
                                align-items: center;
                                margin-right: 10rpx;
                            }
                        }

                        .class {
                            color: $brand-theme-color;
                        }

                    }


                    .copyright {
                        font-size: 28rpx;
                        padding: 20rpx;
                        background: #F6F6F6;
                        color: #666;
                        border-radius: 10rpx;
                        margin: 20rpx 0;
                        line-height: 1.6em;
                    }
                }
            }
        }

        .scorePopup {
            background: #fff;
            padding: 30rpx;
            width: 70vw;
            border-radius: 30rpx;

            .content {
                padding: 30rpx 0;
                display: flex;
                justify-content: center;
                align-content: center;

                .text {
                    color: #FFCA3E;
                    padding-left: 10rpx;
                    width: 80rpx;
                    //line-height: 1em;
                    text-align: right;
                }
            }

            .footer {
                padding: 10rpx 0;
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

    }
</style>